1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) 2%YAML 1.2 3--- 4$id: http://devicetree.org/schemas/watchdog/arm,sbsa-gwdt.yaml# 5$schema: http://devicetree.org/meta-schemas/core.yaml# 6 7title: SBSA (Server Base System Architecture) Generic Watchdog 8 9maintainers: 10 - Fu Wei <fu.wei@linaro.org> 11 12description: | 13 The SBSA Generic Watchdog Timer is used to force a reset of the system after 14 two stages of timeout have elapsed. A detailed definition of the watchdog 15 timer can be found in the ARM document: ARM-DEN-0029 - Server Base System 16 Architecture (SBSA) 17 18allOf: 19 - $ref: watchdog.yaml# 20 21properties: 22 compatible: 23 const: arm,sbsa-gwdt 24 25 reg: 26 items: 27 - description: Watchdog control frame 28 - description: Refresh frame 29 30 interrupts: 31 description: The Watchdog Signal 0 (WS0) SPI (Shared Peripheral Interrupt) 32 maxItems: 1 33 34required: 35 - compatible 36 - reg 37 - interrupts 38 39unevaluatedProperties: false 40 41examples: 42 - | 43 44 watchdog@2a440000 { 45 compatible = "arm,sbsa-gwdt"; 46 reg = <0x2a440000 0x1000>, 47 <0x2a450000 0x1000>; 48 interrupts = <0 27 4>; 49 timeout-sec = <30>; 50 }; 51... 52